[jdk15u-dev] RFR: 8264256: Update version .jcheck/conf in jdk15u-dev to be 15.0.4

[Andrew Brygin]

On Fri, 26 Mar 2021 10:57:49 GMT, Yuri Nesterenko <yan at openjdk.org> wrote:

> Instruct updater script to use 15.0.4 release version from now on. 
> Should integrate that no sooner than the version is created in JBS.

Marked as reviewed by bae (Reviewer).

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PR: https://git.openjdk.java.net/jdk15u-dev/pull/1